Carbon brick heat storage device integrated with sealed shell
By setting up a sealing structure outside the heat storage unit of the carbon brick heat storage device, and heating the carbon bricks in a sealed environment, the problem of accelerated oxidation of the carbon bricks in a non-sealed environment is solved, and a higher electric and heating efficiency and a longer service life are achieved.
Patent Information
- Application Number
- CN202421775373.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The traditional carbon brick heat storage device heats carbon bricks with power on the non-sealed environment, resulting in accelerated oxidation of carbon bricks and reduced service life.
A carbon brick heat storage device with integrated sealed shell is designed. By setting a sealing structure outside the heat storage unit, the carbon bricks are energized and heated under a sealing environment, and the electrical conductivity of the carbon bricks is used to improve the electric heating efficiency.
Electrically heat the carbon bricks in a sealed environment, delay the oxidation of the carbon bricks, improve the electric heating efficiency, and extend the service life.
Smart Images
Figure CN222812237U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat storage devices, in particular to a carbon brick heat storage device with an integrated sealed shell. Background Art
[0002] Carbon brick thermal storage device is a thermal energy storage system that uses carbon bricks as thermal storage materials. Carbon bricks are usually made of carbon or graphite, and have good thermal conductivity and chemical stability, so they are suitable for thermal energy storage in high temperature environments. Traditional carbon brick thermal storage devices heat carbon bricks through heating components and store heat through carbon bricks. This heating method ignores the conductivity of carbon bricks. The temperature of the carbon bricks can be increased by electrifying the carbon bricks. However, electrifying the carbon bricks in a non-sealed environment will cause the carbon bricks to oxidize faster. Utility Model Content
[0003] The purpose of the utility model is to provide a carbon brick heat storage device with an integrated sealed shell to solve the problem that the traditional carbon brick heat storage device proposed in the above background technology heats the carbon bricks through a heating component and stores heat through the carbon bricks. This heating method ignores the conductivity of the carbon bricks. The temperature of the carbon bricks themselves can be increased by energizing the carbon bricks. However, when the carbon bricks are energized in a non-sealed environment, the carbon bricks will be oxidized faster.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carbon brick heat storage device with an integrated sealed shell, comprising a shell, wherein three groups of heat storage units are arranged in sequence from left to right inside the shell, each group of the heat storage units is provided with multiple layers of carbon bricks, high-aluminum brick plates are provided between each layer of the carbon bricks, each layer of the carbon bricks is arranged into five rows, a connecting piece is provided between the front and back of each carbon brick, a connecting piece is provided between the front and rear ends and the left and right sides of the carbon bricks in each row, an A-phase connecting piece, a B-phase connecting piece and a C-phase connecting piece are provided on the front side of the leftmost row of carbon bricks in each group of the heat storage units from left to right, and a neutral connecting piece is provided on the rear side of the rightmost row of carbon bricks in each group of the heat storage units from left to right.
[0005] Preferably, a sealing insulating seat is provided at positions on the upper wall and the rear wall of the outer shell corresponding to the A-phase connecting plate, the B-phase connecting plate, the C-phase connecting plate and the neutral connecting plate, and the A-phase connecting plate, the B-phase connecting plate, the C-phase connecting plate and the neutral connecting plate pass through the sealing insulating seat.
[0006] Preferably, the shell comprises a sealing layer, an outer surface of the sealing layer is provided with a heat-insulating layer, and an outer surface of the heat-insulating layer is provided with a protective layer.
[0007] Preferably, gaps are provided between the carbon bricks in each row in each layer, and the carbon bricks in each row in each layer are connected into a continuous S-shaped structure through the connecting piece.
[0008] Preferably, the edge of the high-alumina brick plate extends out of the carbon brick.
[0009] Compared with the prior art, the beneficial effects of the utility model are: replacing the traditional carbon brick heat storage device that heats the carbon bricks through a heating component, based on the conductivity of the carbon bricks, the carbon bricks can be electrified to increase the temperature of the carbon bricks themselves, thereby improving the electric heating efficiency, and a sealing structure is provided outside the heat storage unit, and the carbon bricks are electrified in a sealed environment, thereby delaying the oxidation of the carbon bricks and extending their service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is an axonometric cross-sectional view of the main structure of the utility model;
[0011] Figure 2 This is a front cross-sectional view of the main structure of the utility model;
[0012] Figure 3 It is a schematic diagram of the main structure of the utility model;
[0013] Figure 4 It is a top sectional view of the main structure of the utility model;
[0014] Figure 5 It is a top view schematic diagram of the main structure of the utility model.
[0015] In the figure: 1-shell, 101-sealing layer, 102-insulation layer, 103-protective layer, 2-heat storage unit, 3-carbon brick, 4-high aluminum brick plate, 5-connecting plate, 6-connecting plate, 7-A phase connecting plate, 8-B phase connecting plate, 9-C phase connecting plate, 10-neutral connecting plate, 11-sealed insulating seat, 12-gap. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1-5The utility model provides a carbon brick heat storage device with an integrated sealed shell, comprising a shell 1, wherein three groups of heat storage units 2 are arranged in sequence from left to right inside the shell 1, each group of the heat storage units 2 is provided with multiple layers of carbon bricks 3, high-aluminum brick plates 4 are arranged between each layer of the carbon bricks 3, each layer of the carbon bricks 3 is arranged in five rows, a connecting piece 5 is provided between the front and back of each carbon brick 3, a connecting piece 6 is provided between the front and rear ends and the left and right sides of the carbon bricks 3 in each row, and an A-phase connecting piece 7, a B-phase connecting piece 8 and a C-phase connecting piece 9 are provided on the front side of the leftmost row of carbon bricks 3 of each group of the heat storage units 2 from left to right, and a neutral connecting piece 10 is provided on the rear side of the rightmost row of carbon bricks 3 of each group of the heat storage units 2 from left to right.
[0018] When in use, three-phase electricity is respectively input into the carbon bricks 3 in the three groups of heat storage units 2 through the A-phase connecting plate 7, the B-phase connecting plate 8 and the C-phase connecting plate 9, a connecting plate 5 is arranged between each of the front and rear carbon bricks 3 to connect each carbon brick 3, and a connecting plate 6 is arranged between the left and right sides of the front and rear ends of each column of carbon bricks 3 to connect each column of carbon bricks 3, a neutral connecting plate 10 is arranged on the rear side of the three groups of heat storage units 2, the carbon bricks 3 are heated by electric current, and high-aluminum brick plates 4 are arranged between the carbon bricks 3 for heat insulation and insulation, and an outer shell 1 is arranged on the outside of the heat storage unit 2 to seal and insulate the heat storage unit 2 through the outer shell 1.
[0019] A sealing insulating seat 11 is provided at positions of the upper wall and the rear wall of the shell 1 corresponding to the A-phase connecting piece 7, the B-phase connecting piece 8, the C-phase connecting piece 9 and the neutral connecting piece 10. The A-phase connecting piece 7, the B-phase connecting piece 8, the C-phase connecting piece 9 and the neutral connecting piece 10 penetrate the shell 1 through the sealing insulating seat 11. By providing the sealing insulating seat 11, the A-phase connecting piece 7, the B-phase connecting piece 8, the C-phase connecting piece 9 and the neutral connecting piece 10 penetrate the shell 1, and the sealing of the shell 1 is ensured while the external three-phase electricity is passed into the three groups of heat storage units 2.
[0020] The shell 1 includes a sealing layer 101, an outer surface of the sealing layer 101 is provided with a heat-insulating layer 102, and an outer surface of the heat-insulating layer 102 is provided with a protective layer 103. The heat storage unit 2 is sealed by the sealing layer 101, the heat storage unit 2 is insulated by the heat-insulating layer 102, and the overall heat storage structure is protected by the protective layer 103.
[0021] A gap 12 is provided between each row of the carbon bricks 5 in each layer, and each row of the carbon bricks 5 in each layer is connected into a continuous S-shaped structure through the connecting piece 6. A gap 12 is provided between the carbon bricks 5 so that the carbon bricks 5 can be connected into a continuous S-shaped structure through the connecting piece 6.
[0022] The edge of the high-aluminum brick plate 4 extends outward from the carbon brick 3 , thereby increasing the protection area of the high-aluminum brick plate 4 on the carbon brick 3 .
[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A carbon brick heat storage device with an integrated sealed housing, characterized in that: The invention comprises a shell (1), wherein three groups of heat storage units (2) are arranged in sequence from left to right inside the shell (1), each group of the heat storage units (2) is provided with multiple layers of carbon bricks (3), high-aluminum brick plates (4) are arranged between each layer of the carbon bricks (3), each layer of the carbon bricks (3) is arranged in five rows, a connecting piece (5) is provided between the front and rear of each carbon brick (3), a connecting piece (6) is provided between the front and rear ends and the left and right sides of each row of the carbon bricks (3), an A-phase connecting piece (7), a B-phase connecting piece (8) and a C-phase connecting piece (9) are provided on the front side of the leftmost row of carbon bricks (3) of each group of the heat storage units (2) from left to right, and a neutral connecting piece (10) is provided on the rear side of the rightmost row of carbon bricks (3) of each group of the heat storage units (2) from left to right.
2. The carbon brick heat storage device with integrated sealed housing according to claim 1, characterized in that: Sealing insulation seats (11) are provided at positions of the upper wall and the rear wall of the housing (1) corresponding to the A-phase connecting plate (7), the B-phase connecting plate (8), the C-phase connecting plate (9) and the neutral connecting plate (10); the A-phase connecting plate (7), the B-phase connecting plate (8), the C-phase connecting plate (9) and the neutral connecting plate (10) pass through the housing (1) via the sealing insulation seats (11).
3. The carbon brick heat storage device with integrated sealed housing according to claim 1, characterized in that: The housing (1) comprises a sealing layer (101), the outer surface of the sealing layer (101) is provided with a heat-insulating layer (102), and the outer surface of the heat-insulating layer (102) is provided with a protective layer (103).
4. The carbon brick heat storage device with integrated sealed housing according to claim 1, characterized in that: Gaps (12) are provided between the carbon bricks (3) in each row in each layer, and the carbon bricks (3) in each row in each layer are connected to form a continuous S-shaped structure through the connecting piece (6).
5. The carbon brick heat storage device with integrated sealed housing according to claim 1, characterized in that: The edge of the high-alumina brick plate (4) extends outward from the carbon brick (3).